On Thu, 20 Feb 2003, Robert L. Harris wrote: > Is it possible to have mdadm make the array and just leave the one spot > open anyway? I tried a few options: > > root@legato-disk5.acs:~# mdadm -C -c 128 -l 5 -p left-asymmetric -n 4 -x 0= > /dev/md3 /dev/sdm1 /dev/sdn1 /dev/sdo1 /dev/sdp1 > [snip] > mdadm: create aborted > root@legato-disk5.acs:~# mdadm -C -c 128 -l 5 -p left-asymmetric -n 4 -x 0= > /dev/md3 /dev/sdm1 /dev/sdn1 /dev/sdo1 > mdadm: You haven't given enough devices (real or missing) to create this ar= > ray Try using the keyword 'missing' in place of a real disk or partition: # mdadm -C /dev/md3 -c 128 -l 5 -n 4 /dev/sdm1 /dev/sdn1 /dev/sdo1 missing That should give you a 3-disk RAID-5 in degraded mode. I think that's what you want. Add the fourth disk when it shows up and the array will resync. - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
